Northumberland (disambiguation)

• Cape Northumberland
• Duke of Northumberland
• Earl of Northumberland
• French ship Northumberland
• HMS Northumberland
• Melville Island (Arctic)
• Northumberland
• Northumberland (New Brunswick electoral district)
• Northumberland (Ontario electoral district)
• Northumberland (Ontario provincial electoral district)
• Northumberland (provincial electoral district)
• Northumberland (ship)
• Northumberland Apartments
• Northumberland Avenue
• Northumberland County Cricket Club
• Northumberland County, New Brunswick
• Northumberland County, New South Wales
• Northumberland County, Ontario
• Northumberland County, Pennsylvania
• Northumberland County, Virginia
• Northumberland Football Association
• Northumberland House
• Northumberland Hussars
• Northumberland Island
• Northumberland Islands
• Northumberland National Park
• Northumberland Park (disambiguation)
• Northumberland Strait
• Northumberland, New Hampshire
• Northumberland, New York
• Northumberland, Pennsylvania
• Northumbria (disambiguation)
• Royal Northumberland Fusiliers